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MANUAL A/C DIAGNOSIS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-15 STEP 2. Check the front blower relay continuity. Follow the table below to check the front blower relay for conti- Q: Is there continuity at the front blower relay? YES : Go to Step 3. STEP 3. Check the blower switch continuity. Follow the table below to check the blower switch for continuity. Q: Is there continuity at the blower switch? YES : Go to Step 4. STEP 4. Retest the system. YES : The procedure complete (If no malfunctions are not found in all steps, an intermittent malfunction is − How to Cope with Intermittent Malfunction ). NO : Go to Step 1. BATTERY VOLTAGE TESTER SPECIFIED Not applied 2 − 5 Open circuit • Connect terminal 3 to the positive • Connect terminal 1 to the negative 2 − 5 Less than 2 ohms AC204714AB FRONT BLOWER RELAY SWITCH TESTER SPECIFIED 0 (OFF) 1 − 3, 3 − 4, 3 − 5, 3 − 6 Open circuit 1 (LO) 3 − 5 Less than 2 ohms 2 (ML) 1 − 3 Less than 2 ohms 3 (MH) 3 − 6 Less than 2 ohms 4 (HI) 3 − 4 Less than 2 ohms AC001371 BLOWER SWITCH AB |